IBM i is Affected By Denial of Service Vulnerabilities in NFS [, ]

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-17057
StatePUBLISHED
Assigneribm
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-04 17:16:52 UTC
Updated2026-09-08 18:17:35 UTC
DescriptionIBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and affect data integrity due to missing authentication for critical functions.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS: 0.003600000 probability, percentile 0.290540000 (date 2026-09-07)

Problem Types: CWE-306 | CWE-306 CWE-306 Missing Authentication for Critical Function

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Ibm I 7.3 All All All
Operating System Ibm I 7.4 All All All
Operating System Ibm I 7.5 All All All
Operating System Ibm I 7.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA IBM I affected 7.6 Not specified
CNA IBM I affected 7.5 Not specified
CNA IBM I affected 7.4 Not specified
CNA IBM I affected 7.3 Not specified

References

ReferenceSourceLinkTags
www.ibm.com/support/pages/node/7285847 [email protected] www.ibm.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: IBM i Release5770-SS1  PTF Number(s)PTF Download Link(s)7.6SJ11320 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11320 7.5SJ11319 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11319 7.4SJ11318 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11318 7.3SJ11317 https://www.ibm.com/mysupport/s/fix-information?legacy=SJ11317 IBM recommends users running unsupported versions of affected products upgrade to a supported and fixed version of affected products.

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